Question

x +7y = 15 ...(1)

3x –7y = – 11...(2)

a) (–1,2) b) (–1,–2) c) (1 ;2 )

d) (1;2) e) (2 ;3)

esta

2x +3y=–1...(1)

x – 7y = – 9...(2)

a) (2,1) b) (-2.,1) c) (-2 ;-1 )

d) (2;-1) e) (1 ;-1)

esta

x + 5y =14...(1)

2x –3y = – 11...(2)

a) (-1,-3) b) (1.,3) c) (-1 ;3 )

d) (1;-3) e) (2;3)

esta

x –3y = 5...(1)

7x – 9y = 39 ...(2)

a) (6,1/3) b) (-6,1/3) c) (-6;-1/3)

d) (6;-1/3) e) (6;3)

Answer 1

Respuesta:

Explicación paso a paso:

x +7y = 15 ...(1)

3x –7y = – 11...(2)

a) (–1,2) b) (–1,–2) c) (1 ;2 )

d) (1;2) e) (2 ;3)